Exporting mime email

[Mark Walters]

Hi

On Thu, 05 Jan 2012 16:44:10 -0800, Jameson Graef Rollins <jrollins at finestructure.net> wrote:
> On Fri, 06 Jan 2012 00:29:39 +0000, Mark Walters <markwalters1009 at gmail.com> wrote:
> > What is the best way of exporting/saving as text a mime-encoded email
> > from the emacs interface (e.g, if I want to save a mime-encoded
> > email containing a patch)?
> 
> Maybe you're looking for '|'?  That will pipe the raw message to
> whatever command is specified.

What I would like is a way of exporting the decoded text rather than the
raw message. As an explicit example I would like to be able to export a
mime encoded email containing a patch, and then do something like

patch -p1 < exported_file

Sorry for not making myself clear

Many thanks

Mark